using System;
using System.Collections.Immutable;
using Microsoft.CodeAnalysis.CSharp.Symbols;
using Microsoft.CodeAnalysis.CSharp.Symbols.PublicModel;
using Microsoft.CodeAnalysis.PooledObjects;

namespace Microsoft.CodeAnalysis.CSharp;

public static class SymbolDisplay
{
	public static string ToDisplayString(ISymbol symbol, SymbolDisplayFormat? format = null)
	{
		format = format ?? SymbolDisplayFormat.CSharpErrorMessageFormat;
		return ToDisplayString(symbol, null, -1, format, minimal: false);
	}

	public static string ToDisplayString(ITypeSymbol symbol, NullableFlowState nullableFlowState, SymbolDisplayFormat? format = null)
	{
		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		return ToDisplayString(symbol, NullableFlowStateExtensions.ToAnnotation(nullableFlowState), format);
	}

	public static string ToDisplayString(ITypeSymbol symbol, NullableAnnotation nullableAnnotation, SymbolDisplayFormat? format = null)
	{
		//IL_000d: Unknown result type (might be due to invalid IL or missing references)
		format = format ?? SymbolDisplayFormat.CSharpErrorMessageFormat;
		symbol = symbol.WithNullableAnnotation(nullableAnnotation);
		return ToDisplayString((ISymbol)(object)symbol, null, -1, format, minimal: false);
	}

	private static string ToDisplayString(ISymbol symbol, SemanticModel? semanticModelOpt, int positionOpt, SymbolDisplayFormat format, bool minimal)
	{
		ArrayBuilder<SymbolDisplayPart> instance = ArrayBuilder<SymbolDisplayPart>.GetInstance();
		PopulateDisplayParts(instance, symbol, semanticModelOpt, positionOpt, format, minimal);
		string result = SymbolDisplayExtensions.ToDisplayString(instance);
		instance.Free();
		return result;
	}

	public static string ToMinimalDisplayString(ISymbol symbol, SemanticModel semanticModel, int position, SymbolDisplayFormat? format = null)
	{
		if (format == null)
		{
			format = SymbolDisplayFormat.MinimallyQualifiedFormat;
		}
		return ToDisplayString(symbol, semanticModel, position, format, minimal: true);
	}

	public static string ToMinimalDisplayString(ITypeSymbol symbol, NullableFlowState nullableFlowState, SemanticModel semanticModel, int position, SymbolDisplayFormat? format = null)
	{
		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		return ToMinimalDisplayString(symbol, NullableFlowStateExtensions.ToAnnotation(nullableFlowState), semanticModel, position, format);
	}

	public static string ToMinimalDisplayString(ITypeSymbol symbol, NullableAnnotation nullableAnnotation, SemanticModel semanticModel, int position, SymbolDisplayFormat? format = null)
	{
		//IL_000c: Unknown result type (might be due to invalid IL or missing references)
		if (format == null)
		{
			format = SymbolDisplayFormat.MinimallyQualifiedFormat;
		}
		symbol = symbol.WithNullableAnnotation(nullableAnnotation);
		return ToDisplayString((ISymbol)(object)symbol, semanticModel, position, format, minimal: true);
	}

	public static ImmutableArray<SymbolDisplayPart> ToDisplayParts(ISymbol symbol, SymbolDisplayFormat? format = null)
	{
		format = format ?? SymbolDisplayFormat.CSharpErrorMessageFormat;
		return ToDisplayParts(symbol, null, -1, format, minimal: false);
	}

	public static ImmutableArray<SymbolDisplayPart> ToDisplayParts(ITypeSymbol symbol, NullableFlowState nullableFlowState, SymbolDisplayFormat? format = null)
	{
		//IL_000d: Unknown result type (might be due to invalid IL or missing references)
		format = format ?? SymbolDisplayFormat.CSharpErrorMessageFormat;
		return ToDisplayParts(symbol, nullableFlowState, null, -1, format, minimal: false);
	}

	public static ImmutableArray<SymbolDisplayPart> ToDisplayParts(ITypeSymbol symbol, NullableAnnotation nullableAnnotation, SymbolDisplayFormat? format = null)
	{
		//IL_000b: Unknown result type (might be due to invalid IL or missing references)
		if (format == null)
		{
			format = SymbolDisplayFormat.CSharpErrorMessageFormat;
		}
		return ToDisplayParts((ISymbol)(object)symbol.WithNullableAnnotation(nullableAnnotation), null, -1, format, minimal: false);
	}

	public static ImmutableArray<SymbolDisplayPart> ToMinimalDisplayParts(ISymbol symbol, SemanticModel semanticModel, int position, SymbolDisplayFormat? format = null)
	{
		if (format == null)
		{
			format = SymbolDisplayFormat.MinimallyQualifiedFormat;
		}
		return ToDisplayParts(symbol, semanticModel, position, format, minimal: true);
	}

	public static ImmutableArray<SymbolDisplayPart> ToMinimalDisplayParts(ITypeSymbol symbol, NullableFlowState nullableFlowState, SemanticModel semanticModel, int position, SymbolDisplayFormat? format = null)
	{
		//IL_000c: Unknown result type (might be due to invalid IL or missing references)
		if (format == null)
		{
			format = SymbolDisplayFormat.MinimallyQualifiedFormat;
		}
		return ToDisplayParts(symbol, nullableFlowState, semanticModel, position, format, minimal: true);
	}

	public static ImmutableArray<SymbolDisplayPart> ToMinimalDisplayParts(ITypeSymbol symbol, NullableAnnotation nullableAnnotation, SemanticModel semanticModel, int position, SymbolDisplayFormat? format = null)
	{
		//IL_000c: Unknown result type (might be due to invalid IL or missing references)
		if (format == null)
		{
			format = SymbolDisplayFormat.MinimallyQualifiedFormat;
		}
		return ToDisplayParts((ISymbol)(object)symbol.WithNullableAnnotation(nullableAnnotation), semanticModel, position, format, minimal: true);
	}

	private static ImmutableArray<SymbolDisplayPart> ToDisplayParts(ITypeSymbol symbol, NullableFlowState nullableFlowState, SemanticModel? semanticModelOpt, int positionOpt, SymbolDisplayFormat format, bool minimal)
	{
		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		return ToDisplayParts((ISymbol)(object)symbol.WithNullableAnnotation(NullableFlowStateExtensions.ToAnnotation(nullableFlowState)), semanticModelOpt, positionOpt, format, minimal);
	}

	private static ImmutableArray<SymbolDisplayPart> ToDisplayParts(ISymbol symbol, SemanticModel? semanticModelOpt, int positionOpt, SymbolDisplayFormat format, bool minimal)
	{
		ArrayBuilder<SymbolDisplayPart> instance = ArrayBuilder<SymbolDisplayPart>.GetInstance();
		PopulateDisplayParts(instance, symbol, semanticModelOpt, positionOpt, format, minimal);
		return instance.ToImmutableAndFree();
	}

	private static ArrayBuilder<SymbolDisplayPart> PopulateDisplayParts(ArrayBuilder<SymbolDisplayPart> builder, ISymbol symbol, SemanticModel? semanticModelOpt, int positionOpt, SymbolDisplayFormat format, bool minimal)
	{
		//IL_005f: Unknown result type (might be due to invalid IL or missing references)
		if (symbol == null)
		{
			throw new ArgumentNullException("symbol");
		}
		if (minimal)
		{
			if (semanticModelOpt == null)
			{
				throw new ArgumentException(CSharpResources.SyntaxTreeSemanticModelMust);
			}
			if (positionOpt < 0 || positionOpt > semanticModelOpt.SyntaxTree.Length)
			{
				throw new ArgumentOutOfRangeException(CSharpResources.PositionNotWithinTree);
			}
		}
		if ((symbol as Microsoft.CodeAnalysis.CSharp.Symbols.PublicModel.MethodSymbol)?.UnderlyingMethodSymbol is SynthesizedSimpleProgramEntryPointSymbol)
		{
			builder.Add(new SymbolDisplayPart((SymbolDisplayPartKind)15, symbol, "<top-level-statements-entry-point>"));
		}
		else
		{
			SymbolDisplayVisitor symbolDisplayVisitor = new SymbolDisplayVisitor(builder, format, semanticModelOpt, positionOpt);
			symbol.Accept((SymbolVisitor)(object)symbolDisplayVisitor);
		}
		return builder;
	}

	public static string FormatPrimitive(object obj, bool quoteStrings, bool useHexadecimalNumbers)
	{
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
		//IL_0008: Unknown result type (might be due to invalid IL or missing references)
		//IL_0009: Unknown result type (might be due to invalid IL or missing references)
		//IL_0012: Unknown result type (might be due to invalid IL or missing references)
		//IL_000d: Unknown result type (might be due to invalid IL or missing references)
		//IL_000f: Unknown result type (might be due to invalid IL or missing references)
		//IL_0010: Unknown result type (might be due to invalid IL or missing references)
		ObjectDisplayOptions val = (ObjectDisplayOptions)16;
		if (quoteStrings)
		{
			val = (ObjectDisplayOptions)(val | 8);
		}
		if (useHexadecimalNumbers)
		{
			val = (ObjectDisplayOptions)(val | 4);
		}
		return ObjectDisplay.FormatPrimitive(obj, val);
	}

	public static string FormatLiteral(string value, bool quote)
	{
		//IL_000a: Unknown result type (might be due to invalid IL or missing references)
		//IL_000c: Unknown result type (might be due to invalid IL or missing references)
		ObjectDisplayOptions options = (ObjectDisplayOptions)(0x10 | (quote ? 8 : 0));
		return ObjectDisplay.FormatLiteral(value, options);
	}

	public static string FormatLiteral(char c, bool quote)
	{
		//IL_000a: Unknown result type (might be due to invalid IL or missing references)
		//IL_000c: Unknown result type (might be due to invalid IL or missing references)
		ObjectDisplayOptions options = (ObjectDisplayOptions)(0x10 | (quote ? 8 : 0));
		return ObjectDisplay.FormatLiteral(c, options);
	}
}